134539064789 has 2 divisors, whose sum is σ = 134539064790. Its totient is φ = 134539064788.

The previous prime is 134539064749. The next prime is 134539064801. The reversal of 134539064789 is 987460935431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113557542289 + 20981522500 = 336983^2 + 144850^2 .

It is a cyclic number.

It is not a de Polignac number, because 134539064789 - 2²⁸ = 134270629333 is a prime.

It is a super-2 number, since 2×134539064789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134539064749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67269532394 + 67269532395.

It is an arithmetic number, because the mean of its divisors is an integer number (67269532395).

Almost surely, 2^134539064789 is an apocalyptic number.

It is an amenable number.

134539064789 is a deficient number, since it is larger than the sum of its proper divisors (1).

134539064789 is an equidigital number, since it uses as much as digits as its factorization.

134539064789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 134539064789 in words is "one hundred thirty-four billion, five hundred thirty-nine million, sixty-four thousand, seven hundred eighty-nine".